Demo

Senior Human Resources Manager

Johns Manville and Careers
Berlin, NJ Full Time
POSTED ON 3/20/2026
AVAILABLE BEFORE 5/20/2026

Who We Are

Johns Manville is a leading manufacturer and marketer of premium-quality insulation and commercial roofing, along with glass fibers and nonwovens for commercial, industrial and residential applications. Our products are used in a wide variety of industries including building products, aerospace, automotive and transportation, filtration, commercial interiors, waterproofing and wind energy.

A proud member of the Berkshire Hathaway family of companies, we serve customers in more than 80 countries around the globe. We are committed to delivering positive and powerful experiences, because we are successful only when our employees and customers thrive. We are passionate, we care about people, we perform at a superior level, and we protect others and our environments.

Pay Range

$105,800.00-$145,500.00 Annual

This is the base salary pay range that an applicant can expect to make upon hire. Pay within this range will vary based upon relevant experience, skills, and education among other factors. In addition, this position is eligible for an incentive bonus.

Are you a confident decision-maker who thrives in a fast-paced manufacturing environment? If you bring professionalism, a firm and decisive approach, and a passion for strong team leadership—plus a great sense of humor—we want you on our team! Join us and be part of a workplace where every day brings energy, collaboration, and a few good laughs.

The Senior Human Resources Manager role is to design, implement and administer human resources programs for our Penbryn and Edison NJ facilities which are both unionized plants. Will work with plant leadership teams to meet annual goals. This position works under minimal supervision and reports to the Business HR Director and generally has responsibility for 300 employees.

Your Day to Day:

  • Develop and maintain employee relations and engagement practices and programs that promote a positive employee relations environment including but not limited to:
    • Maintaining “open door” policy at the plant
    • Actively listening to and engaging with employees on the plant floor
    • Coordinating community events and employee programs
    • Creating communications
    • Championing diversity and inclusion efforts
  • Investigating and ensuring fair and consistent responses to harassment and discrimination claims, ethics hotline calls, EEOC and /or state charges
  • Coaching and counseling plant leadership and supervisors regarding employee relations issues and discipline
  • Facilitate annual HR processes including compensation planning, economic packages, open enrollment, succession planning, and others
  • Develops and aligns HR initiatives to the business strategy which includes the ability to identify, analyze, understand and articulate business goals and objectives at the company, plant and business unit level
  • Partner with plant leadership to ensure all people’s needs of business are being met including but not limited to:
    • Driving the hourly employee staffing process from the sourcing strategy all the way through on-boarding
    • Developing crew models (provide the data to help make labor decisions)
    • Partnering with EH&S to improve safety performance
    • Creating communication plans
    • Determining training needs and managing training logistics
    • Planning and executing layoffs and curtailments
  • Ensure compliance with state and federal employment regulations and company policies.
  • Lead or participate in company-wide HR projects that deliver results across businesses and geographies
  • Responsible for administering the collective bargaining agreement (CBA), participating in the development of labor strategy and participation in contract negotiations, and addressing union related issues through grievance resolution or arbitration
  • Responsible for direct supervision of services specialist.
  • May be required to perform other related duties as assigned

What You Bring to the Team:

  • Bachelor’s degree with a minimum 8 years in a human resources role (will consider no Bachelor’s degree if minimum of 12 years in a human resources role).
  • Experience in manufacturing or similar environment.
  • Union experience required
  • Bilingual preferred (Spanish, Polish)
  • Strong ability to communicate efficiently both orally and written with all levels of management and employees.
  • Familiarity with using human capital management systems for employee-related processes. Experience with Workday HCM preferred
  • Working knowledge of employment and labor laws such as wage and hour, EEOC, FMLA, FLSA, Basic OSHA, etc.
  • Proven ability to influence
  • Ability to network and collaborate across functions and levels
  • Ability to assess talent for purposes of selection, retention, and development
  • Ability to manage conflict situations
  • Strong investigation and discipline skills
  • Ability to research issues, propose strategies / solutions and make independent decisions.
  • Experience with policy interpretation and application
  • Ability to interpret verbal and non-verbal behavior and develop accurate perceptions of others’ feelings, needs, values and opinions
  • Strong change management skills
  • Strong Excel skills
  • Manages HR services specialist, sets direction, and deploys resources. Responsible for performance conversations, pay reviews, hiring and terminating.

Travel Requirements:

  • 30% travel will be required between the Penbryn and Edison, NJ sites as well as occasional trips to corporate and/or other JM plants

Environment and Physical Activities:

  • Work environment is typical of an office in a manufacturing/industrial setting
  • May be required to lift, carry, push, or pull up to and including 25 pounds

#LI-KL1 #LI-ONSITE #P #D

Please Keep in Mind

If you do not meet 100% of these requirements, we at JM still want to hear from you. So, if you are interested in the role, we encourage you to apply so we can learn how your skills and talents can contribute to our team.

Benefits

Johns Manville (JM) offers a wide range of benefits to employees. Some are subsidized by the company and others are fully employee-paid. Health benefits include a choice of comprehensive medical plans, a dental plan, vision plan, wellness program and critical illness insurance. JM sponsors a 401(k) plan which includes a sizeable company match. JM offers paid vacation and also provides paid sick and parental leave for eligible employees.

Additionally, Johns Manville provides basic life Insurance, short-term and long-term disability coverage, an employee assistance program, and business travel accident coverage. Supplemental life insurance and accidental death and dismemberment insurance are available as well. The company also offers a variety of tax saving accounts; health spending account, traditional flexible spending account, and a dependent care spending account. JM also offers a tuition reimbursement program for undergraduate and certain graduate programs.

Johns Manville supports employee growth with vast educational opportunities and a company-wide mentoring program. This program pairs employees and leaders to grow skills, build stronger internal networks and strengthen the company’s succession planning process. Johns Manville also offers soft and hard skills training facilitated by internal and external presenters. Our talent management team prioritizes the holistic growth of our workforce.

Diversity & Inclusion

Johns Manville believes diversity and inclusion in our workplace is critical for the long-term success of our company. We are committed to retaining, developing and attracting a diverse workforce that fosters an inclusive work environment in which all employees are treated with dignity and respect. This is the right thing to do for our employees, our company and our communities.

Incumbent must be physically able to perform essential job functions. Reasonable accommodations may be made to enable individuals with disabilities to perform essential job functions.

We are proud to be an Equal Opportunity/Affirmative Action employer. We maintain a drug-free workplace and perform pre-employment substance abuse testing.

Benefits:

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Flexible spending account
  • Health insurance
  • Health savings account
  • Life insurance
  • Paid time off
  • Tuition reimbursement
  • Vision insurance

Education:

  • Bachelor's (Required)

Experience:

  • labor/union : 1 year (Required)
  • Human resources: 8 years (Required)

Willingness to travel:

  • 25% (Required)

Work Location: In person

Salary : $105,800 - $145,500

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior Human Resources Manager?

Sign up to receive alerts about other jobs on the Senior Human Resources Manager career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$156,288 - $210,152
Income Estimation: 
$182,895 - $246,915
Income Estimation: 
$113,831 - $142,748
Income Estimation: 
$99,975 - $138,209
Income Estimation: 
$132,976 - $201,974
Income Estimation: 
$106,129 - $145,100
Income Estimation: 
$121,512 - $169,501
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Not the job you're looking for? Here are some other Senior Human Resources Manager jobs in the Berlin, NJ area that may be a better fit.

  • Icahn Automotive Group LLC Any, IL
  • Position Summary The Senior HR Manager is a strategic, field-based HR leader supporting an assigned region and its store leadership teams. This role drives... more
  • 15 Days Ago

  • Impactful Senior Home Care LLC Philadelphia, PA
  • Impactful Senior Home Care is seeking a detail-oriented and experienced Human Resources Assistant to support our growing home care team. This role is ideal... more
  • 1 Day Ago

AI Assistant is available now!

Feel free to start your new journey!